#661E78#661E78

#661E78 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.1% C 0.154 H 318.8°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#661E78
RGB	rgb(102, 30, 120)
HSL	hsl(288, 60%, 29%)
HSV	hsv(288, 75%, 47%)
CMYK	cmyk(15%, 75%, 0%, 52.9%)
CIE-LAB	lab(27.05, 45.14, -36.08)
CIE-LCH	lch(27.05, 57.78, 321.37°)
OKLab	oklab(39.09% 0.1155 -0.1012)
OKLCH	oklch(39.09% 0.154 318.8)
XYZ	xyz(9.3335, 5.1098, 18.2603)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E78 #30781E

analogous

#391E78 #661E78 #781E5D

triadic

#661E78 #78661E #1E7866

tetradic

#661E78 #78391E #30781E #1E5D78

square

#661E78 #78391E #30781E #1E5D78

split-complementary

#661E78 #5D781E #1E7839

monochromatic

#150618 #3C1247 #661E78 #902AA9 #B341CF

Accessibility & contrast

On white

10.39

#661E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#661E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E78

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E78	#FFFFFF	#000000	##FFFFFF
##661E78	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7B

Deuteranopia (green-blind)

#234276

Tritanopia (blue-blind)

#663049

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661e78;
/* rgb */ color: rgb(102, 30, 120);
/* oklch */ color: oklch(39.1% 0.154 318.8);

Tailwind

colors: {
  custom: {
    50: '#95629f',
    500: '#661e78',
    950: '#000000',
  },
}

SCSS

$custom: #661e78;
$custom-light: #95629f;
$custom-dark: #000000;

JSON

{
  "hex": "#661e78",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 120
  },
  "hsl": {
    "h": 288,
    "s": 60,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39094,
    "c": 0.15355,
    "h": 318.8
  },
  "luminance": 0.05109
}

Semantic roles & 50–950 ramp

primary

#661E78

secondary

#5AAC46

accent

#E34564

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0E050E

muted

#7E7A7E

Preview Lab

Preview with #661E78

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →